# Flappy Feet vs Kinsei

The clearest difference is in-app purchases: Flappy Feet at none against Kinsei's 1. Flappy Feet also leads on iOS requirement (15.0 vs 17.0). Kinsei's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Kinsei sells 1 one-off in-app purchase. Flappy Feet asks for nothing beyond the download.

Flappy Feet ships an update monthly, Kinsei every 5 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Flappy Feet | Kinsei |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flappy-feet/id823968886/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Paid | — |
| Size | 19 MB | 76 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tyler Mecham](https://appshunter.io/developer/823968889) | [David Seppi](https://appshunter.io/developer/1845444357) |

## What reviewers say

### Flappy Feet

[App page](https://appshunter.io/ios/app/flappy-feet/id823968886)

Guide a charming penguin through a vibrant underwater world. Tap to ascend and avoid obstacles in this engaging arcade-style game. Compete on global leaderboards and unlock achievements.

**Highlights:** One-tap gameplay, Adorable animated penguin, Beautiful underwater environment, Increasing difficulty, Game Center leaderboards, Unlockable achievements

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Kinsei

[App page](https://appshunter.io/ios/app/kinsei/id6758316582)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kinsei Complete | $7.99 | one-time |


## Frequently asked questions

### Is Flappy Feet free?

Flappy Feet is free to download, with no in-app purchases.

### Is Kinsei free?

Kinsei is free to download, with in-app purchases available.

### Do Flappy Feet or Kinsei have ads?

Flappy Feet shows ads; Kinsei does not.

### Which is updated more often, Flappy Feet or Kinsei?

Flappy Feet ships an update monthly, and Kinsei every 5 weeks. Most recently, Flappy Feet was updated on November 1, 2026 and Kinsei on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*